"If you've been paying attention to the various industry news outlets you've no doubt come across the story about the Microsoft engineer advocating Windows Server 2008 as a 'workstation' OS. According to him, if you make the right tweaks - installing the Desktop Experience feature, adding a few missing utilities, tuning the scheduler - you can turn Server 2008 into a fairly convincing Vista knock-off, one that's faster and more scalable than the original. Curious, we decided to see for ourselves just how well Server 2008 stacks-up to Vista with SP1." In addition, ExtremeTech has an article on Vista SP1 performance.